Contracts that send, sign, and stay.
WeClinch is the contract tool for founders. One link to send. Real-time signature tracking. Sealed on EU soil for ten years. No login for the people you send it to.
What you hold at the end of a deal.
Not a PDF in an inbox. A hash-chained record of every signer, every action, every byte at the moment of agreement. Defensible three years from now, in any EU court.
See how the seal worksBuilt on the standards your customers' auditors already trust.
Every signing tool ships the easy bit.
They nail the part where someone draws a signature. The ten years after — the part where the contract has to be findable, untouched, defensible — they leave to you.
Lost contracts.
Signed PDFs scattered across inbox threads, drives, three different SaaS exports. You spend an hour finding the one your audit needs.
Quiet deletion.
Free tiers expire your old envelopes after 90 days. Paid tiers tier-up your old envelopes. Either way, your evidence quietly disappears.
Brittle proof.
A signed PDF and an email receipt is not a chain of custody. A real court fight needs hash, identity, and timestamp bound together — and nobody ships that.
Three steps for you. One link for them.
From the moment you paste a contract to the moment a sealed envelope lands in your archive: under sixty seconds, end-to-end.
Compose.
Pick a template or paste your own. Mark which fields the signer must fill — name, address, custom. Add one party or six.
Send.
One click. Each party gets a personal, token-protected link. They sign in the browser. No account, no app, no PDF rodeo.
Sealed.
Once everyone signs, the envelope is hash-chained, auto-emailed to every party, and dropped into your 10-year archive. Forever findable.
What survives inside a sealed envelope.
Three years from now someone asks: did they really agree to this? An envelope answers with five pieces of evidence, bound together so a change to any one breaks the chain.
SHA-256 of the contract bytes at the moment of signing. Edit one comma after the fact and the hash no longer matches.
Name, email, IP, the OTP they used. Cryptographically bound to the signature gesture, not a checkbox.
The handwritten draw on the canvas, captured as path data plus a PNG render. Same gesture both ways.
Each action — sent, opened, signed, sealed — gets a tamper-evident timestamp linked to the previous. Reorder and the chain breaks.
The hash of everything above, signed by WeClinch with a key we publish. Trust does not require trusting us.
The contracts founders actually send.
Edit in plain text. Save your own. Send to one party or six. Each template ships with the clauses German and EU contract law expects out of the box.
Founder-friendly. Locked for life on the waitlist.
One flat tier per audience. No "starting from", no enterprise call-us, no surcharges for the seal. Final prices may shift before launch — the waitlist price is locked.
Solo
Send your first ten.
- 3 envelopes per month
- Core templates
- Sealed for 10 years
- eIDAS AES signature
Founder
RecommendedThe default for solo + small teams.
- Unlimited envelopes
- All templates + custom
- Real-time tracking + reminders
- API + webhooks
Team
Five seats, one archive.
- Everything in Founder
- 5 seats included
- SDK + embed components
- Audit-log CSV export
The questions that decide a signing tool.
Is the signature valid in court?
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Yes, across the EU. We satisfy the Advanced Electronic Signature (AES) requirements of eIDAS Regulation 910/2014 — uniquely linked, capable of identifying the signer, under sole control, bound to the data. Court-admissible in any member state.
Do the people I send a contract to need an account?
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No. They click the link in your email, sign in the browser, confirm with an OTP. No app, no account, no PDF download. The whole thing takes under sixty seconds.
What happens if WeClinch shuts down?
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Every signed envelope is in your dashboard as a downloadable signed PDF + JSON manifest at all times. If we go dark, you walk out with the entire archive on disk — independently verifiable by anyone with a SHA-256.
GDPR — am I a controller or a processor?
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You are the controller. WeClinch is the processor — we sign a Data Processing Addendum on signup, every envelope lives in Frankfurt, no US sub-processors. Available as Customer DPA template above.
What does the ten-year archive mean exactly?
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Every sealed envelope you send is held for 10 years from the sealing date. No tier, no renewal, no quiet deletion. Beyond 10 years you can extend per-envelope at the Founder/Team tier.
Can I embed signing in my own app?
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Yes. The Founder tier ships API + webhooks. The Team tier adds a React SDK with drop-in components so you can host the signing surface inside your product instead of redirecting to ours.
The new way to seal a deal.
Early access opens 2026 Q3. Drop your email, lock founder pricing for life, get a single notification the day the gate opens.
One email, one time. Reply STOP to drop the list.